example
Class DivMod

java.lang.Object
  example.DivMod

All Implemented Interfaces:

MapProcessor

@Spi
public class DivMod
extends Object
implements MapProcessor

Constructor Summary

DivMod()

Method Summary

MetaData	describeApplication(String application) Describe an application.
Set<MetaData>	getInputs(String application) Get the inputs assocaited with an application.
Set<MetaData>	getOutputs(String application) Get the outputs assocaited with an application.
boolean	handlesApplication(String application) Indicates if this processor can handle applications with a particuar name.
List<String>	listApplications() List all of the applications handled, by name.
Map<String,String>	process(String application, Map<String,String> inputs) Handle a request.
void	validate(String application, Map<String,String> inputs) Validate the inputs for the application.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DivMod

public DivMod()

Method Detail

handlesApplication

public boolean handlesApplication(String application)

Description copied from interface: MapProcessor

Indicates if this processor can handle applications with a particuar name.

This must return true for exactly those application names listed in listApplicaionts.

Specified by:

handlesApplication in interface MapProcessor

Parameters:

application - the name of the application to be checked

Returns:

true if the application can be handled, false otherwise

listApplications

public List<String> listApplications()

Description copied from interface: MapProcessor

List all of the applications handled, by name.

Specified by:

listApplications in interface MapProcessor

Returns:

the List of handled applications

describeApplication

public MetaData describeApplication(String application)
                             throws UnknownApplicationException

Description copied from interface: MapProcessor

Describe an application.

Specified by:

describeApplication in interface MapProcessor

Parameters:

application - the name of the application

Returns:

the MetaData with the name matching application providing the description and semantic annotation for this application

Throws:

UnknownApplicationException

getInputs

public Set<MetaData> getInputs(String application)
                        throws UnknownApplicationException

Description copied from interface: MapProcessor

Get the inputs assocaited with an application.

Specified by:

getInputs in interface MapProcessor

Parameters:

application - the name of the application

Returns:

the application inputs as a Set of MetaData instances

Throws:

UnknownApplicationException

getOutputs

public Set<MetaData> getOutputs(String application)
                         throws UnknownApplicationException

Description copied from interface: MapProcessor

Get the outputs assocaited with an application.

Specified by:

getOutputs in interface MapProcessor

Parameters:

application - the name of the application

Returns:

the application outputs as a Set of MetaData instances

Throws:

UnknownApplicationException

validate

public void validate(String application,
                     Map<String,String> inputs)
              throws InvalidJobSpecificationException,
                     UnknownApplicationException

Description copied from interface: MapProcessor

Validate the inputs for the application.

Specified by:

validate in interface MapProcessor

Parameters:

application - the name of the application

inputs - the Map of input values

Throws:

InvalidJobSpecificationException

UnknownApplicationException

process

public Map<String,String> process(String application,
                                  Map<String,String> inputs)
                           throws UnknownApplicationException,
                                  JobExecutionException

Description copied from interface: MapProcessor

Handle a request.

Specified by:

process in interface MapProcessor

Parameters:

application - the name of the application

inputs - the input Map

Returns:

the result of processing the request

Throws:

UnknownApplicationException

JobExecutionException